Patents Assigned to Shells, Inc.
  • Plant receptacle and method of producing same
    Patent number: 4221752
    Abstract: A sand molded plant receptacle, specifically a flowerpot, made of a non-wetting resin-bonded sand characterized by smooth inside and outside surfaces, a density of about 100 lbs. per cu. ft., a permeability of about 60 to 160, and by being impervious to water and pervious to air. A method of making a sand molded flowerpot which comprises blowing resin-coated sand under pressure into a closed, heated mold.
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: September 9, 1980
    Assignee: Shells, Inc.
    Inventor: James W. Bray